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E-23
Enter REG mode (Quadratic regression)
F F 2 r 3
A m =
29 P1.6 S 50 P 23.5 S
74 P 38.0 S103 P 46.4 S
118 P 48.0 S
118.
REG
(Regression Coefficient A) A q =
-
35.59856934
(Regression Coefficient B) A w =
1.495939413
(Regression Coefficient C) A e =
-
6.71629667
-
0
3
(ˆy when xi = 16) 16 A b
-
13.38291067
(ˆx
1
when yi = 20) 20 A O
47.14556728
(ˆx
2
when yi = 20) A O
175.5872105
Data Input Precautions
• S S inputs the same data twice.
•You can also input multiple entries of the same data us-
ing
A G. To input the data “20 and 30” five times, for
example, press 20
P 30 A G 5 S.
• The above results can be obtained in any order, and not
necessarily that shown above.
•To delete data you have just input, press
A U.
Complex Number Calculations
(CMPLX Mode)
•Press F 2 to enter the CMPLX Mode for calculations
that include complex numbers.
•You can use variables A, B, C and M only. Variables D,
E, F, X, and Y are used for storage of the imaginary parts
of values and so cannot be used by you.